Suppose you repeatedly roll a fair six-sided die until you roll a 1 (and then you stop). every time you roll a 2, you lose a poi
1 answer:
You might be interested in
Answer:
see explanation
Step-by-step explanation:
The length of the arc is calculated as
AB = circumference of circle × fraction of circle
(11)
AB = 2πr ×
= 2π × 7 ×
= 14π ×
= π in
(12)
AB = 2πr × ( r = 20 ÷ 2 = 10 )
= 2π × 10 ×
= 20π ×
= π
= π cm
Answer:
Option 4
Step-by-step explanation:
=>
Combining like terms
=>
=>